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Ignition lock cylinder

Tiny
JBARNES7011
  • MEMBER
  • 1997 LINCOLN TOWN CAR
  • 0.5L
  • 6 CYL
  • AUTOMATIC
  • 2,000 MILES
The ignition lock cylinder needs to be replaced, it starts the engine but doesn't turn off. I got a brand new one and replaced it but when you turn the key it doesn't start the engine. When I engage the key the brake light comes on release the key and it goes off. What could be the problem?
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Sunday, June 23rd, 2019 AT 1:05 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

When you replace the lock cylinder and the keys to your vehicle the keys must be programmed to the vehicle. Your vehicle contains a Passive Anti Theft System (PATS) which consists of a chipped key (radio transponder), a radio receiver ring transponder ring(that goes around the ignition lock cylinder), a PATS module and your vehicle's Power-train Control Module. The only people that are able to program your vehicle's new ignition keys is either the Ford/Lincoln/Mercury dealership or a locksmith. This is intentionally done to keep thieves from going around programming keys and stealing vehicles. Please let us know how everything turns out.

Thanks,
Alex
2CarPros
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Sunday, June 23rd, 2019 AT 5:39 PM

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